Question to the Wheel gurus
07-11-2008, 03:10 PM
#24
Registered User
if you have a light 18 to begin with you are not going to see a good result going back to a heavy 17's. Bigger is generally heavier but it's not always the case. notice how a 17tire are heavier than 18 tires?(assume the size ratio is the same). Dont automatically say 18's are so heavy blah blah blah...it's not 1987 anymore =P
some of the forged 18 are lighter than casted 17's easy, the 18 has the advantage of low profile tiresize(if keep at oem overall diameter), which transalate to better steering response and better turn in's(when your wheel turn, your tire wall will put a delay as the rubber struggle by flexing, thus slowing down the process.
the only big concern is if you track your car often, bigger tire will cost alot more plus they have less size for bigger size(use to be worse). Track tire has very stiff construction and sidewall so flexing shouldn't be a problem. There's alot of guy runnning ap1 rear rims all around for non-stagger set up.
some of the forged 18 are lighter than casted 17's easy, the 18 has the advantage of low profile tiresize(if keep at oem overall diameter), which transalate to better steering response and better turn in's(when your wheel turn, your tire wall will put a delay as the rubber struggle by flexing, thus slowing down the process.
the only big concern is if you track your car often, bigger tire will cost alot more plus they have less size for bigger size(use to be worse). Track tire has very stiff construction and sidewall so flexing shouldn't be a problem. There's alot of guy runnning ap1 rear rims all around for non-stagger set up.
07-11-2008, 04:40 PM
#25
Originally Posted by kpxplaya415,Jul 10 2008, 09:54 PM
simplified, rotating mass is heavier than non-rotating mass, and the further away the mass is from the center of the wheel the heavier it is rotating.
so yes there is a performance increase but i'm not sure if you'd notice it in daily driving other than a possible smoother ride.
so yes there is a performance increase but i'm not sure if you'd notice it in daily driving other than a possible smoother ride.
I had 18s for sooo long, most of them were lightweight, forged volks too, and it wasn't until I drove a bone-stock MY07 that I realized 17s are the way to go. It's all about the rotating mass.
A heavy 17 drives better than a lightweight 18, IMO.
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